﻿using System;
using System.Windows;
using System.Windows.Input;
using System.Windows.Controls;

using SBPweb.PhotoGallery.Client.Logic;
using SBPweb.PhotoGallery.Client.Utils;

namespace SBPweb.PhotoGallery.Client
{

    public partial class App : Application
    {

        public App()
        {
            this.Startup += this.Application_Startup;
            this.Exit += this.Application_Exit;
            this.UnhandledException += this.Application_UnhandledException;

            InitializeComponent();
        }

        private void Application_Startup(object sender, StartupEventArgs e)
        {
            string elementId = e.InitParams["ScriptElementId"];
            string displayMode = e.InitParams["DisplayMode"];
            string sourceXml = HtmlElements.GetSlidesXmlFromDom(elementId);

            AutoAdvancingGalleryList aagl = new AutoAdvancingGalleryList();

            UserControl uc;

            switch (displayMode)
            {
                default:
                case "View":
                    uc = new ViewPage(aagl);
                    break;
                case "Edit":
                    uc = new EditPage();
                    break;
            }
            uc.Background = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Colors.Transparent);
            RootVisual = uc;

            aagl.ParseXml(sourceXml);
        }

        private void Application_Exit(object sender, EventArgs e)
        {

        }
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            // If the app is running outside of the debugger then report the exception using
            // the browser's exception mechanism. On IE this will display it a yellow alert 
            // icon in the status bar and Firefox will display a script error.
            if (!System.Diagnostics.Debugger.IsAttached)
            {

                // NOTE: This will allow the application to continue running after an exception has been thrown
                // but not handled. 
                // For production applications this error handling should be replaced with something that will 
                // report the error to the website and stop the application.
                e.Handled = true;
                Deployment.Current.Dispatcher.BeginInvoke(delegate { ReportErrorToDOM(e); });
            }
        }
        private void ReportErrorToDOM(ApplicationUnhandledExceptionEventArgs e)
        {
            try
            {
                string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace;
                errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n");

                System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error in Silverlight 2 Application " + errorMsg + "\");");
            }
            catch (Exception)
            {
            }
        }


        #region Event handlers

        protected void ImageButton_MouseEnter(object sender, MouseEventArgs e)
        {
            (sender as Canvas).Opacity = 1.0;
        }

        protected void ImageButton_MouseLeave(object sender, MouseEventArgs e)
        {
            (sender as Canvas).Opacity = 0.5;
        }

        #endregion

    }

}